CN213279202U

CN213279202U - A charger

Info

Publication number: CN213279202U
Application number: CN202021962166.9U
Authority: CN
Inventors: 裘加恩; 游远科; 王俊皓
Original assignee: Bull Group Co Ltd
Current assignee: Gongniu Group Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-25
Anticipated expiration: 2030-09-09

Abstract

The application discloses charger relates to electrical apparatus technical field. The charger can improve the use safety of the charger and prolong the service life of the charger. The charger comprises a shell, wherein the shell comprises a top plate, a first side shell and a second side shell, and the first side shell is positioned below the top plate and is integrally formed with the top plate or is in sliding connection with the top plate through a dovetail groove; the second side shell is also located below the top plate and is in sliding connection with the top plate through a dovetail groove, and the first side shell and the second side shell are buckled with each other. The application is used for improving the performance of the charger.

Description

A charger

Technical Field

The application relates to the technical field of electric appliances, in particular to a charger.

Background

With the development of science and technology, as electronic products such as mobile phones and notebook computers become more and more, the application of chargers also becomes more and more extensive. Because the embedded charger can be embedded into the mounting table and is integrated with the mounting table, no additional space is occupied, and therefore more and more people begin to select the embedded charger.

Chinese patent "a mesa embedded wireless charging and wired multi-functional device that charges", the notice number of authorizing CN 209730848U, disclose a mesa embedded wireless charging and wired multi-functional device that charges, including fixed module, the post that charges, the power cord, the auto-lock module, wherein fixed module is including the mounting nut who imbeds the mesa, and with the solid fixed cylinder of this mounting nut cooperation installation, gu the fixed cylinder is formed by half moon-shaped solid fixed cylinder side cap and semi-enclosed solid fixed cylinder main part joint, gu all be equipped with on the lateral wall of fixed cylinder apron and solid fixed cylinder main part and carry out the screw thread of spiro union with the mounting nut, during the installation, in with solid fixed cylinder screw in mounting nut to it can to make solid fixed cylinder imbed the mesa completely. When screwing up the screw thread, gu fixed cylinder side cap and fixed cylinder main part all receive decurrent pulling force, there is the trend of downward removal, nevertheless because the big end card in upper portion of fixed cylinder main part is on the mesa, consequently, there is relative motion between fixed cylinder main part and the fixed cylinder side cap, make fixed cylinder main part and fixed cylinder side cap dislocation, thereby make the clearance increase between the two, there is the potential safety hazard, in addition, because gu fixed cylinder main part and fixed cylinder side cap joint, still probably lead to the buckle to drop, shorten the life of charger.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a charger, can improve the safety in utilization of charger to prolong the life of charger.

In order to achieve the above object of the invention, the present application provides a charger including a housing including: a top plate; the first side shell is positioned below the top plate and is integrally formed with the top plate or is in sliding connection with the top plate through a dovetail groove; the second side shell is positioned below the top plate and is in sliding connection with the top plate through a dovetail groove; the first side shell and the second side shell are buckled with each other.

The charger provided by the embodiment of the application comprises a shell, wherein the shell comprises a top plate, a first side shell and a second side shell, and the first side shell is positioned below the top plate and is integrally formed with the top plate or is in sliding connection with the top plate through a dovetail groove; the second side shell is also located below the top plate and is in sliding connection with the top plate through a dovetail groove, and the first side shell and the second side shell are buckled with each other. Because second side casing is located the below of roof and passes through dovetail sliding connection with the roof, compare the buckle among the prior art and connect, the dovetail sliding connection mode that this application embodiment adopted, hang second side casing on the roof, because roof and first side casing integrated into one piece or through dovetail sliding connection, consequently, can prevent when the installation charger, second side casing first side casing downstream relatively, thereby can avoid the clearance too big between second side casing and the first side casing, consequently, this application embodiment can improve the safety in utilization of charger, and the life of extension charger.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a charger according to an embodiment of the present application;

FIG. 2 is an exploded view of a charger according to an embodiment of the present disclosure;

FIG. 3 is a schematic plan view of a charger according to an embodiment of the present application;

FIG. 4 is an exploded view of a housing of a charger according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a first side housing and a top plate forming a single piece in a charger according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a second side housing of a charger according to an embodiment of the present disclosure;

fig. 7 is a schematic perspective view of a locking shaft sleeve in a charger according to an embodiment of the present application;

fig. 8 is a schematic perspective view illustrating a charging module in a charger according to an embodiment of the disclosure.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 to 3, an embodiment of the present application provides a charger including a housing 10, a charging module 40, and a power cord (not shown), wherein the charging module 40 is disposed in the housing 10, and the power cord is electrically connected to the charging module 40 and extends out of the housing 10. Referring to fig. 4 to 6, the housing 10 includes a top plate 1, a first side housing 2 and a second side housing 3, and the first side housing 2 is located below the top plate 1 and is integrally formed with the top plate 1 or slidably connected through a dovetail groove. The second side shell 3 is also positioned below the top plate 1 and is in sliding connection with the top plate 1 through a dovetail groove, and the first side shell 2 and the second side shell 3 are buckled with each other. Because second side casing 3 is located the below of roof 1 and passes through dovetail sliding connection with roof 1, compare the buckle connection among the prior art, the dovetail sliding connection mode that this application embodiment adopted, hang second side casing 3 on roof 1, because roof 1 and first side casing 2 integrated into one piece or through dovetail sliding connection, consequently, when screwing up locking axle sleeve 20, the interior outer inclined plane of dovetail structure contacts, offset the decurrent pulling force of locking axle sleeve 20, thereby guarantee that the assembly clearance between second side casing 3 and the first side casing 2 can not be too big, consequently, this application embodiment can also improve the safety in utilization of charger, and the life of extension charger.

Referring to fig. 2, in some embodiments, the charger further includes a locking shaft sleeve 20 disposed outside the first side case 2 and the second side case 3, and the locking shaft sleeve 20 can lock the first side case 2 and the second side case 3 on the mounting table.

In some embodiments, referring to fig. 2 and 7, the locking bushing 20 is threadedly coupled to the first side housing 2 and the second side housing 3, specifically, the hole wall of the locking bushing 20 is provided with an internal thread 201, and referring to fig. 4, the side wall of the first side housing 2 and the side wall of the second side housing 3 are both provided with an external thread 4 for cooperatively coupling with the internal thread 201 of the locking bushing 20. Referring to fig. 1 and 2, the lower end of the housing 10 is inserted into the mounting table 50 and then threadedly coupled to the locking boss 20. When the charger is installed, the lower part of the shell 10 penetrates through the installation hole of the installation table board 50, and then the locking shaft sleeve 20 is screwed down, so that the charger can be fixed on the installation table board 50, and the installation is very convenient.

In other embodiments, the locking sleeve 20 is connected to the first side case 2 and the second side case 3 by snap steps.

In some embodiments, referring to fig. 5, the bottom surface of the top plate 1 is provided with at least one dovetail groove 11, and referring to fig. 6, the top surface of the second side case 3 is provided with at least one dovetail protrusion 31 that mates with the at least one dovetail groove 11. In other embodiments, the top surface of the second side casing 3 is provided with at least one dovetail groove 11, and the bottom surface of the top plate 1 is provided with at least one dovetail protrusion 31 which is matched with the at least one dovetail groove 11.

There are various ways in which the charging module 40 can be implemented, and in some embodiments, the charging module 40 is a wireless charging module. In other embodiments, the charging module 40 includes a circuit board and at least one socket for inserting external pins that electrically connect the circuit board. In other embodiments, referring to fig. 8, the charging module 40 includes a circuit board 402 and at least one USB interface 401 electrically connected to the circuit board 402, the circuit board 402 being electrically connected to a power line.

When the embodiment is adopted in which the charging module 40 includes the circuit board 402 and at least one USB interface 401 electrically connected to the circuit board 402, the circuit board 402 is electrically connected to the power line, the bottom surface of the top plate 1 is provided with at least one dovetail groove 11, and the top surface of the second side case 3 is provided with at least one dovetail protrusion 31 engaged with the at least one dovetail groove 11. In some embodiments, referring to fig. 5, a plug port 12 penetrating the top plate 1 in the thickness direction is provided on the top plate 1, a step groove 13 for accommodating a USB interface is provided on a side of the plug port 12 close to the first side housing 2, the dovetail groove 11 penetrates the step groove 13 in the extending direction, and the depth of the dovetail groove 11 is smaller than the depth of the step groove 13. Referring to fig. 2, this structure may cause the dovetail-shaped projection 31 to press the USB module 40 in the horizontal direction after the USB module 40 is mounted.

In some embodiments, referring to FIG. 5, to facilitate insertion of the dovetail projection 31 into the dovetail slot 11, the mouth of the dovetail slot 11 is radiused.

Referring to fig. 4, in some embodiments, the first side housing 2 and the second side housing 3 are buckled to each other to form a rectangular parallelepiped housing, two adjacent sidewalls of the rectangular parallelepiped housing are connected by the arc surfaces 5, the center lines of the four arc surfaces 5 are overlapped and have the same curvature, the external threads 4 are formed on the four arc surfaces 5, and the structure can reduce the volume of a product, reduce the cost, and reduce the requirement for the installation space.

In other embodiments, the first side housing 2 and the second side housing 3 are fastened to each other to form a cylindrical housing, the external thread 4 is formed on the outer cylindrical surface of the cylindrical housing, the strength of the external thread 4 is higher, and the volume of the rectangular housing is larger.

When an embodiment in which the first side case 2 and the second side case 3 are fastened to each other to form a rectangular parallelepiped case is adopted, in some embodiments, referring to fig. 1 to 6, the rectangular parallelepiped case includes a first side wall 22, a second side wall 32, a third side wall, and a fourth side wall, the first side wall 22 and the third side wall are disposed opposite to each other, the second side wall 32 and the fourth side wall are disposed opposite to each other, the first side wall 22 includes a first sub-side wall 221 and a second sub-side wall 222, the third side wall includes a third sub-side wall 331 and a fourth sub-side wall 332, the first side case 2 includes a first sub-side wall 221, a third sub-side wall 331, and a second side wall 32, the first sub-side wall 221 and the third sub-side wall 331 are both adjacent to and integrally formed with the second side wall 32, the second side case 3 includes a second sub-side wall 222, a fourth sub-side wall 332, and a

fourth sub-side wall

222 and 332 are both adjacent to and integrally formed with, the structure can simplify the processing technology and is more attractive.

Referring to fig. 1, 2 and 5, in some embodiments, the housing 10 of the charger according to the embodiment of the present disclosure further includes a surface cover 7 disposed above the top plate 1 and clamped to the top plate 1, the surface cover 7 is provided with a jack 701 for inserting an external plug, the top plate 1 is provided with two mounting holes 14, and the charger according to the embodiment of the present disclosure can be mounted on the table 50 through the mounting holes 14 in cooperation with a connecting member (e.g., a bolt). The face cover 7 can make the charger of the present application more beautiful, and especially when the housing 10 of the embodiment of the present application is directly connected to the mounting table 50 by bolts, the face cover 7 can cover the bolts and the mounting holes 14.

When the embodiment in which the housing 10 is connected to the locking shaft sleeve 20 is adopted, since the power cord is generally long, in order to facilitate threading, in some embodiments, referring to fig. 7, the power cord extends out of the housing 10, the locking shaft sleeve 20 is provided with a threading slot 202, and the threading slot 202 penetrates through two ends of the locking shaft sleeve 20 along the axial direction of the locking shaft sleeve 20. Therefore, when the locking shaft sleeve 20 is installed, the locking shaft sleeve 20 does not need to be penetrated into the casing 10 from the end of the power line far away from the casing 10 and then is close to the casing 10, and the power line only needs to be penetrated into the threading groove 202 on the locking shaft sleeve 20 from the vicinity of the casing 10, so that the threading of the power line is facilitated, the installation time is shortened, and the installation efficiency is improved.

With continued reference to fig. 7, in some embodiments, the effective length of the internal threads 201 of the locking sleeve 20 is less than the thickness of the locking sleeve 20, such that the mating length of the threads may be reduced, the installation time may be reduced, and the assembly efficiency may be improved. Specifically, in some embodiments, the internal thread 201 is located in the middle of the locking boss 20 in the axial direction, whereby the connection is more reliable. In other embodiments, the internal thread 201 is located at one end of the locking boss 20 in the axial direction, whereby the processing is facilitated.

When the embodiment that the charging module 40 includes the circuit board 402 and the at least one USB interface 401 electrically connected to the circuit board 402 is adopted, referring to fig. 2, fig. 3, fig. 5, fig. 6 and fig. 8, in some embodiments, at least one limiting post 24 is disposed on one side of the first side housing 2 facing the second side housing 3, at least one limiting groove 34 matched with the limiting post 24 is disposed on one side of the second side housing 3 facing the first side housing 2, at least one limiting hole matched with the limiting post 24 is disposed on the circuit board 402, and after the first side housing 2 and the second side housing 3 are fastened, the limiting post 24 sequentially passes through the limiting hole 403 of the circuit board and the limiting groove 34 of the second side housing, and then the circuit board 402 is fixed in the housing 10. The limiting groove 34 can fix the limiting column 24, and the problem that the gap is enlarged due to relative movement of the first side shell 2 and the second side shell 3 under the action of external force is avoided. It should be noted that the limiting hole 403 of the circuit board may be a closed circular hole, or may be a circular hole with an opening, which is not limited herein.

In other embodiments, the position-limiting posts 24 are provided with through holes that can penetrate through the first side housing 2, and the through holes can be penetrated by external connecting parts (such as screws) to match the external connecting parts to mount the charger on the mounting table from the side.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A charger comprising a housing, characterized in that the housing comprises:

a top plate;

the first side shell is positioned below the top plate and is integrally formed with the top plate or is in sliding connection with the top plate through a dovetail groove;

the second side shell is positioned below the top plate and is in sliding connection with the top plate through a dovetail groove;

the first side shell and the second side shell are buckled with each other.

2. The charger according to claim 1, further comprising a locking bushing disposed outside the first side housing and the second side housing, wherein the locking bushing is capable of locking the first side housing and the second side housing to a mounting plate.

3. The charger according to claim 2, wherein the hole wall of the locking bushing is provided with an internal thread, and the side wall of the first side housing and the side wall of the second side housing are both provided with an external thread which is matched and connected with the internal thread of the locking bushing.

4. The charger according to any one of claims 1 to 3, wherein the top plate has at least one dovetail groove on a bottom surface thereof, and the second side housing has at least one dovetail-shaped protrusion on a top surface thereof for engaging with the at least one dovetail groove.

5. The charger according to claim 3, wherein the top plate is provided with a plug port penetrating through the top plate in a thickness direction, one side of the plug port close to the first side housing is provided with a step groove for accommodating a USB interface, the dovetail groove penetrates through the step groove in an extending direction, and the depth of the dovetail groove is smaller than that of the step groove.

6. The charger according to claim 3, wherein the first side housing and the second side housing are fastened to each other to form a rectangular parallelepiped housing, two adjacent side walls of the rectangular parallelepiped housing are connected by arc surfaces, the center lines of the four arc surfaces are overlapped and have the same curvature, and the external thread is formed on the four arc surfaces.

7. The charger according to claim 2, wherein the locking shaft sleeve is provided with a threading groove for passing through a power cord, and the threading groove penetrates through two ends of the locking shaft sleeve along the axial direction of the locking shaft sleeve.

8. The electrical charger according to claim 3, wherein an effective length of the internal threads is less than a thickness of the locking sleeve.

9. The charger according to claim 1 or 2, wherein at least one limiting post is disposed on a side of the first side housing facing the second side housing, at least one limiting groove matched with the limiting post is disposed on a side of the second side housing facing the first side housing, at least one limiting hole matched with the limiting post is disposed on the circuit board, and after the first side housing and the second side housing are fastened, the limiting post sequentially passes through the limiting hole of the circuit board and the limiting groove of the second side housing.

10. The charger according to claim 9, wherein a through hole is formed in the position-limiting post and can penetrate through the first side housing.